Search
Menu
Home
Sources
About
Contacts
Serviço de Informações de Segurança
The
Serviço
de
Informações de Segurança
or
SIS
is the
Portuguese
Intelligence
and
Secret Service
agency
founded
in
1984
.
The
function
of SIS is to
guarantee
the
internal security
and
prevent
cyber attacks
,
sabotage
,
terrorism
,
espionage
and the
practice
of
acts
which, by their
nature
, can
change
or
destroy
the Rule of Law
as
constitutionally
established
.